/Engine/Source/Editor/DataLayerEditor/Public/DataLayer/DataLayerEditorSubsystem.h
[TArray](API\Runtime\Core\Containers\TArray)< const [UDataLayerInstance](API\Runtime\Engine\WorldPartition\DataLayer\UDataLayerInstance) * > GetDataLayerInstances ( const [TArray](API\Runtime\Core\Containers\TArray)< const [UDataLayerAsset](API\Runtime\Engine\WorldPartition\DataLayer\UDataLayerAsset) * > DataLayerAssets ) const